20026670 has 8 divisors (see below), whose sum is σ = 36048024. Its totient is φ = 8010664.

The previous prime is 20026639. The next prime is 20026673. The reversal of 20026670 is 7662002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20026670² = 802135022577800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20026673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001324 + ... + 1001343.

It is an arithmetic number, because the mean of its divisors is an integer number (4506003).

Almost surely, 2^20026670 is an apocalyptic number.

20026670 is a deficient number, since it is larger than the sum of its proper divisors (16021354).

20026670 is a wasteful number, since it uses less digits than its factorization.

20026670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002674.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20026670 is about 4475.1167582534. The cubic root of 20026670 is about 271.5623639307.

Adding to 20026670 its reverse (7662002), we get a palindrome (27688672).

The spelling of 20026670 in words is "twenty million, twenty-six thousand, six hundred seventy".